Be sure to try them both with, and without the rings. I found that the life got sucked out of the music with rings on my EL34's.
Herbie's are probably the best out there for tube dampers that don't kill the music, at least on small tubes.
Enjoy,
Bob
Herbie's are probably the best out there for tube dampers that don't kill the music, at least on small tubes.
Enjoy,
Bob